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MaInTenance
8.2
annual maintenance or major maintenance
Once per year or at the latest when the message W:41
appears on the display (if activated in the boiler control-
ler), «annual maintenance» must be carried out by a
heating engineer.
Only by heating engineers
Depending on the boiler output, major maintenance must
be performed at the latest after the following amounts of
pellets have been consumed (even if this is the case be-
fore one year has expired): BioLyt (8) after 3 tons, BioLyt
(13) after 5 tons, BioLyt (15) after 6 tons, BioLyt (23,25)
after 8 tons, BioLyt (31) after 10 tons, BioLyt (36) after 12
tons.
Some of the following tasks may need to be performed
earlier, depending on the pellet quality and the boiler op-
erating mode.
8.2.1 Preparation
•
Switch the boiler off with the blocking switch (see 4.4.4)
•
Allow the boiler to cool down for at least 30 minutes.
•
Remove the ash box.
Tip:
The front door can be easily unhooked at the two
hinges; this allows easier access to the burner and the
combustion chamber for maintenance purposes.
The boiler must be disconnected from the
mains before performing annual mainte-
nance (all pole main switch, main fuse or
in switzerland the mains plug.
8.2.2 Cleaning the flue gas collector
1.
Open the cover of the flue gas collector:
- Release four screws (1, Fig. 05).
- Grip the cover by the handles (1a), turn it slightly in
anti-clockwise direction and lift off.
1
1a
1a
Fig. 05
2. Extend the regulator unit upwards approx. 20 cm (Fig.
06) and move it up and down firmly several times (ap
-
prox. 10…20 cm)
3. Hook the regulator unit back in correctly!
4. Clean the impeller (4) of the induced-draught fan us-
ing a brush and vacuum cleaner; use a scraper to
remove any encrusted deposits.
5.
Vacuum clean the entire flue gas collector
4
Fig. 06